Process for synthesizing N,N'-dithiobis(sulfonamides)

Details Process for synthesizing N,N'-dithiobis(sulfonamides) Process for synthesizing N,N'-dithiobis(sulfonamides)

1988-10-28

1989-10-31

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

540480, 540596, 544 78, 546186, 548518, C07C14375

Patent

active

048779016

ABSTRACT:
The present invention relates to a process for synthesizing N,N'-dithiobis(sulfonamides) by reacting a sulfonamide of the formula: ##STR1## with sulfur monochloride and caustic in a mixed organic-aqueous mediua, wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of alkyl radicals having from about 1 to about 20 carbon atoms, cycloalkyl radicals having from about 5 to about 20 carbon atoms, phenyl radicals, alkaryl radicals having from about 7 to 20 carbon atoms, and haloaryl radicals having about 6 to about 10 carbon atoms and where R.sup.1 is also selected from radicals having the formula: ##STR2## wherein R.sup.3 and R.sup.4 are individually selected from said alkyl, cycloalkyl, phenyl, alkaryl and haloaryl radicals and wherein R.sup.3 and R.sup.4 can be joined together to represent radicals selected from --CH.sub.2 --.sub.n, where n is an integer of 4 to 7 and --CH.sub.2).sub.2 O--CH.sub.2 --.sub.2.

REFERENCES:
patent: 3400152 (1968-09-01), Block et al.
patent: 3856762 (1974-12-01), Hopper et al.
patent: 3898205 (1975-08-01), Hopper et al.
patent: 3898206 (1975-08-01), Hopper et al.
patent: 3904664 (1975-09-01), Shelton et al.
patent: 3915907 (1975-10-01), Hopper

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